ICE

Question 1

IF ice is detected what msg will show

Answer 1

advisory

Question 2

how many probes are heated (TAT) and (ADSP)

Answer 2

2 TAT

4 Air Data Smart Probes

Question 3

4 ways drainage will stop when potable water dump button pressed

Answer 3

takes 10 minutes

button pressed again
fault in water drain mast
system is empty
gear is extended

Question 4

ADS probes heater button

Answer 4

Air Data System probes
dark and out is Auto - turns on after engine start
pushed in is on
FO pushes in when in icing conditions.

Question 5

windshield buttons

Answer 5

dark out is auto - turns on when airplane is powered by two separate ac sources. turns on auto when 2 ac sources in use

when AC power first established, the system runs a 120 second test.

Question 6

Engine 1 ICE button

WING ICE button

Answer 6

auto
cowls are heated when:
IN flight: when ice is detected and
reaches 1700ft AFE or 2 minutes whichever comes first

Ground : on engine start if ENG or ALL is selected in the MCDU

Wing is same but comes on after reaching 40kts wheel speed after de ice falls off.

Question 7

ICE protection mode knob Auto and ON

Answer 7

Auto controls wings and cowls automatically.
when ice is no longer detected the anti ice stays on for an additional 2 minutes.

ON turns all on in flight
on ground: just the cowls

Question 8

Ice protection test knob

Answer 8

engine
wing
off
pilots do not use this knob

Question 9

windshield wiper speed

Answer 9

250KIAS

Question 10

what happens if takeoff performance requires engine bleeds closed and anti ice is required?

Answer 10

The APU cannon supply bleed while A/I is on so the takeoff must be unpressurized

Question 11

Engine anti ice valves fail open or closed?

Answer 11

open

Question 12

set REF A/I to ENG in FMS if ?

when do you set ALL

Answer 12

encountering visible moisture below 1700AFE and the temp is -5-10 degrees C

Set all if vis moisture below 1700 and below 5 degrees C

Question 13

what does A-I Wing VLV OPEN mean?

Answer 13

the Anti ice system is doing a self test climbing through 10k feet or ten minutes after takeoff.

Question 14

what if wing A/I is in use and engine bleed SOV is stuck closed

Answer 14

XBleed will open automatically and both wings can be heated from one engine.

Question 15

what surfaces are heated?

Answer 15

outboard 3 slats
cowls
not the tail

ice usually residual on inboard portion of wing wingtips and tail

Question 16

why can windshield wipers get stuck when dry

Answer 16

torque sensor turns of wipers